Chromalox CAF-12 Instrucciones de instalación y funcionamiento

(Supersedes PF423-1)

PF493-1

CAF-12 CCAS-12

161-506171-001

JULY, 2002

and

Installation, Operation

MAINTENANCE

(Supersedes PF493)

Architectural Convection Heaters

Type CAF-12 and CCAS-12

TABLE 1— Specifications

CAF-12CCAS-12

Dimensions(In.)

ModelModel VoltsPhase WattsAmps BTUH Height Length Depth Weight (Lbs.)

CAF-12F211 CCAS-12F211 208 1 1125 5.4 3,838 12 24.3 5.75 19

CAF-12F211 CCAS-12F211 208 3 1125 3.1 3,838 12 24.3 5.75 19

CAF-12F211 CCAS-12F211 240 1 1125 4.7 3,838 12 24.3 5.75 19

CAF-12F211 CCAS-12F211 277 1 1125 4.1 3,838 12 24.3 5.75 19

CAF-12F215 CCAS-12F215 208 1 1500 7.2 5,118 12 24.3 5.75 19

CAF-12F215 CCAS-12F215 208 3 1500 4.2 5,118 12 24.3 5.75 19

CAF-12F215 CCAS-12F215 240 1 1500 6.3 5,118 12 24.3 5.75 19

CAF-12F215 CCAS-12F215 277 1 1500 5.4 5,118 12 24.3 5.75 19

CAF-12F215 CCAS-12F215 480 3 1500 1.8 5,118 12 24.3 5.75 19

CAF-12F316 CCAS-12F316 208 1 1687 8.1 5,756 12 36.3 5.75 24

CAF-12F316 CCAS-12F316 208 3 1687 4.7 5,756 12 36.3 5.75 24

CAF-12F316 CCAS-12F316 240 1 1687 7 5,756 12 36.3 5.75 24

CAF-12F316 CCAS-12F316 277 1 1687 6.1 5,756 12 36.3 5.75 24

CAF-12F316 CCAS-12F316 480 3 1687 2 5,756 12 36.3 5.75 24

CAF-12F422 CCAS-12F422 208 1 2250 10.8 7,677 12 48.3 5.75 29

CAF-12F422 CCAS-12F422 208 3 2250 6.3 7,677 12 48.3 5.75 29

CAF-12F422 CCAS-12F422 240 1 2250 9.3 7,677 12 48.3 5.75 29

CAF-12F422 CCAS-12F422 277 1 2250 8.1 7,677 12 48.3 5.75 29

CAF-12F422 CCAS-12F422 480 3 2250 2.7 7,677 12 48.3 5.75 29

CAF-12F430 CCAS-12F430 208 1 3000 14.4 10,236 12 48.3 5.75 29

CAF-12F430 CCAS-12F430 208 3 3000 8.3 10,236 12 48.3 5.75 29

CAF-12F430 CCAS-12F430 240 1 3000 12.5 10,236 12 48.3 5.75 29

CAF-12F430 CCAS-12F430 277 1 3000 10.8 10,236 12 48.3 5.75 29

CAF-12F430 CCAS-12F430 480 3 3000 3.6 10,236 12 48.3 5.75 29

CAF-12F633 CCAS-12F633 208 1 3375 16.2 11,515 12 72.3 5.75 39

CAF-12F633 CCAS-12F633 208 3 3375 9.4 11,515 12 72.3 5.75 39

CAF-12F633 CCAS-12F633 240 1 3375 14.1 11,515 12 72.3 5.75 39

CAF-12F633 CCAS-12F633 277 1 3375 12.2 11,515 12 72.3 5.75 39

CAF-12F633 CCAS-12F633 480 3 3375 4.1 11,515 12 72.3 5.75 39

CAF-12F645 CCAS-12F645 208 1 4500 21.6 15,354 12 72.3 5.75 39

CAF-12F645 CCAS-12F645 208 3 4500 12.5 15,354 12 72.3 5.75 39

CAF-12F645 CCAS-12F645 240 1 4500 18.8 15,354 12 72.3 5.75 39

CAF-12F645 CCAS-12F645 277 1 4500 16.2 15,354 12 72.3 5.75 39

CAF-12F645 CCAS-12F645 480 3 4500 5.4 15,354 12 72.3 5.75 39

CAF-12F845 CCAS-12F845 208 1 4500 21.6 15,354 12 96.3 5.75 49

CAF-12F845 CCAS-12F845 208 3 4500 12.5 15,354 12 96.3 5.75 49

CAF-12F845 CCAS-12F845 240 1 4500 18.8 15,354 12 96.3 5.75 49

CAF-12F845 CCAS-12F845 277 1 4500 16.2 15,354 12 96.3 5.75 49

CAF-12F845 CCAS-12F845 480 3 4500 5.4 15,354 12 96.3 5.75 49

CAF-12F860 CCAS-12F860 208 1 6000 28.8 20,472 12 96.3 5.75 49

CAF-12F860 CCAS-12F860 208 3 6000 16.7 20,472 12 96.3 5.75 49

CAF-12F860 CCAS-12F860 240 1 6000 25 20,472 12 96.3 5.75 49

CAF-12F860 CCAS-12F860 277 1 6000 21.7 20,472 12 96.3 5.75 49

CAF-12F860 CCAS-12F860 480 3 6000 7.2 20,472 12 96.3 5.75 49

MODEL NUMBER DESCRIPTION

This document explains the correct procedure for the installa-

tion and safe operation of all models of Draft Barrier and Pedestal

Mounted Heaters.

Draft Barrier Heating Systems are designed to be installed in

accordance with the National Electrical Code and with local codes

by a qualified person.

General Information —

Draft Barriers and Pedestal Mounted Heaters are intended for

wall, sill or floor mounting.

The heaters are designed so that they may be used as an indi-

vidual cabinet convector, in a wall-to-wall configuration or as an

end-to-end continuous perimeter room heating system.

Draft Barrier heating systems are supported by a wide selec-

tion of controls and accessories designed to solve any heating

requirement.

Before You Unpack —

1. Make certain that the number of cartons received agrees with

the Bill of Lading, Packing List and original order. Also check

that the correct style (Model) and color have been shipped.

2. Every heater is carefully inspected and shipped with a clear

Bill of Lading.

Obvious external and/or concealed damage must be reported to

the carrier for remedy.

WARNING: — Hazard of Fire

1. DO NOT INSTALL HEATERS AGAINST ANY HIGH-

LY COMBUSTIBLE SURFACES SUCH AS LOW

DENSITY CELLULOSE FIBRE.

2. DO NOT LOCATE HEATER BELOW ELECTRICAL

CONVENIENCE RECEPTACLES.

3. DO NOT STORE OR USE GASOLINE OR FLAMMA-

BLE LIQUIDS IN THE VICINITY OF THE HEATERS.

WARNING: Hazard of Fire. The normal operating

temperatures of cabinet convectors are relatively

high and proper operation requires free circulation

of room air through the heating element. Bottom

air inlet heaters must be mounted with minimum of

3” from finished floor.

WARNING: Hazard of Fire. Keep electrical cords,

drapes, rugs and other furnishings away from the

heater.

WARNING: Hazard of Fire. Furniture must be

placed no closer than four inches from the heater

(see Figure 1).

WARNING: Hazard of Fire. Drapes must clear the

top of heater by at least twelve inches; or, if floor

length drapes are used, they must clear the fin-

ished floor by three inches and the minimum clear-

ance from the back fold to the front cover should

be at least four inches (see Figure 1).

WARNING: Hazard of Fire. When the floor is to be

finished in carpet, allow clearance under the

heaters and corners for carpet installation. Bottom

air inlet heaters are to be mounted a minimum of

3” from the finished floor.

WARNING: Hazard of Fire. Rugs may be placed up

to a heater provided that they are not of a thick-

ness that would block the air-intake. Bottom air

inlet heaters are to be mounted a minimum of 3”

from the finished floor.

Figure 1: Furniture & Drapes

GENERAL

CAF-12B 2 152101A9 Refer to

orWiring

CCAS-12Code Control Options(Factory Installed) Diagram

00 = No Control Options A

A9 = Built-in DP tamperproof hydraulic thermostat 208 - 277V E

A3 = Built-in 3P tamperproof hydraulic thermostat for 3P voltages 208 - 480V G

A4 = Built-in 24V low voltage relay for 1P voltages 208 - 277V B

A5 = Built-in 24V low voltage relay and transformer for 1P voltages 208 - 277V D

A6 = Built-in 24V contactor for 3P voltages 208 - 480V F

A7 = Built-in 24V contactor and transformer for 3P voltages 208 - 480V H

A8 = Built-in disconnect switch, rated 277V@20A I

B9 = Built-in DP tamperproof thermostat and disconnect J

B3 = Built-in 3P tamperproof thermostat and disconnect K

Code Finish

Painted Anodized

68 = Almond 07 = Bronze

02 = White 10 = Clear

Code Voltage/Phase

21 = 208/1 23 = 208/3 31 = 240/1 41 = 277/1 73 = 480/3

Code Wattage(See Table)

Code Length

2 = 2 ft. 3 = 3 ft. 4 = 4 ft. 6 = 6 ft. 8 = 8 ft.

Code Inlet Location

F = Front B = Bottom

Type

Draft Barrier Heater Installation (Wall)

1. Once the correct mounting height is established, scribe or snap

a level line on the wall to maintain each heater back plate in

horizontal alignment, when mounting.

2. Remove heater front cover by lifting top rear edge to unsnap

cover from back plate (store cover in safe location to avoid

damage to the finish). (See Figure 2.)

3. Remove all appropriate knockouts from terminal boxes, partic-

ularly terminal box end knockouts when installing continuous

run heating. (See Figure 3.)

4. Mount the back panel to the wall using suitable fasteners (not

supplied). Should the wall surface be uneven, secure the heater

backplate to the high spots only to avoid a distorted appearance.

Draft Barrier Heater Installation (Floor)

1. Unpack the heater and pedestal(s) from the carton (The

pedestals are packed at the end of carton) and lift the front/top

panels up and off the heater.

2. Disassemble the pedestal base from the pedestal pad.

3. Remove the desired terminal box cover(s) and supply wire

entry knockouts from the terminal boxes.

4. Secure a pedestal to each end of the heater bottom with #8

screws provided aligning the back and front edges of the pad

with the heater. This will align the supply entry knockout with

opening in pedestal pad.

TIP: Units longer than 4 feet will be provided with 3 or more

pedestals. The extra pedestals should be used to support the

middle of heaters.

5. Place heater on the pedestal base(s) and tighten all screws.

TIP: The height of the heater can be adjusted on the pedestal to

aid in leveling the heater by loosening the securing bolt at the

side of the pedestals.

6. Remove the terminal box cover and proceed to wiring instructions.

GENERAL

WIRING

Length

1-1/2

2Back View

Bottom View

(Front Inlet Version Shown)

2-3/4

Terminal Box

5-3/4

CAF-12

Side View

(Less End Cap)

Side View

(Less End Cap)

CCAS-12

5-3/4

Ground Continuity —

Note: All wiring should be done in accordance with local codes

and the National Electrical Code by a qualified person.

WARNING: Hazard of Electric Shock. Any installa-

tion involving electric heaters must be effectively

grounded in accordance with the National

Electrical Code to eliminate shock hazard.

Prior To Installation —

WARNING: Hazard of Electric Shock. Disconnect all

power before installing heater.

1. All branch circuit and service supply wiring must be complet-

ed to the heater terminal box location.

2. Check heater nameplate ratings to be sure heater voltage is

same as service supply.

3. Service supply entry is usually made to one heater terminal box

(see Figure 3) with through wiring (Factory Installed) being

used for interconnection of all heaters in a continuous run

installation.

Note: When heaters are mounted end to end, remove the finishing

end plate, install a chase nipple and locknut in the terminal box

end knockout to ensure grounding continuity and to protect the

wiring.

Where heaters are spaced apart, remove the finishing end plate,

and use rigid conduit (Provided by customer) for through wiring

and ground continuity. Do not exceed the allowable number of

conductors allowed by the National Electrical Code.

Note: See Table 3 for recommended service supply wire sizes.

4. Knockouts are provided at the back, bottom and ends of all

heater backs (see Figure 3). Terminal boxes are located at both

ends of every heater.

Table 3: Service Supply Wiring Sizes

Recommended minimum supply wire sizes are listed in the table

below:

Figure 3

Figure 2

Figure 4

Maximum Watts Per Circuit Using 75 Degree C. Wire

Rough In

Wire Size 120V 208V 240V 277V 347V 480V 600V

14 1440 2496 2880 3324 4164 5760 7200

Copper 12 1920 3328 3840 4432 5552 7680 9600

Wire 10 2880 4992 5760 6648 8328 11520 14400

2150 N. RULON WHITE BLVD., OGDEN, UT 84404

Phone: 1-800-368-2493 www.chromalox.com

1. Wire all heaters and controls in accordance with the appropri-

ate wiring diagram provided below.

2. Run a ground jumper from the ground screw in one terminal

box to the ground screw in the adjacent terminal box. (See

Figure 4.)

3. Do a final and complete check of all wiring then replace the

terminal box covers being careful not to pinch any wires.

4. The front panel may now be installed.

5. Place the front panel over the flange of the bottom panel.

Hook the top back edge of the front panel over the top panel,

and secure with screws.

Table 2: Terminal Box Volumes (Cubic Inches)

WARNING: TO PREVENT THE RISK OF FIRE, DO NOT

OPERATE THE HEATER WITHOUT THE FRONT

PANEL IN PLACE.

Heater Style Left Hand Box Right Hand Box

4” Wide 5” Wide

CAF-12, CCAS-12 146.25 182.75

WIRING

WIRING DIAGRAMS

Limited Warranty:

Please refer to the Chromalox limited warranty applicable to this product at

http://www.chromalox.com/customer-service/policies/termsofsale.aspx.

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